A Light Ray Strikes a Hexagonal Ice Crystal Floating in the Air

question 22

Multiple Choice

A light ray strikes a hexagonal ice crystal floating in the air at a 30 $\degree$ angle to one face,as shown below.The hexagonal faces of the crystal are perpendicular to the plane of the page.All the rays shown are in the plane of the page,and n_ice = 1.30.Which outgoing ray is the correct one?

• A)A
• B)B
• C)C
• D)D

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Definitions:

Alveolates

A group of protists characterized by the presence of alveoli, small sacs underneath their cell membranes.

Kelps

Large brown seaweeds that grow in underwater forests in shallow oceans, known for their high growth rate and the complex habitat they provide for marine life.

Brown Algae

A group of photosynthetic, multicellular marine algae, typically found in cooler waters, distinguished by their brown color due to fucoxanthin pigment.